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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-03 07:55:28 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-03 07:55:28 +0100 |
| commit | d5d12ce229c17fde99c6f8cc42f3701264a60e8c (patch) | |
| tree | 9d3c4ec71ea8cab74d02b8311997630d651767eb /arch/sh | |
| parent | 7626e002225a4c1b9455689b1f22909dfeff43ca (diff) | |
| parent | 2595646791c319cadfdbf271563aac97d0843dc7 (diff) | |
| download | linux-d5d12ce229c17fde99c6f8cc42f3701264a60e8c.tar.gz linux-d5d12ce229c17fde99c6f8cc42f3701264a60e8c.tar.bz2 linux-d5d12ce229c17fde99c6f8cc42f3701264a60e8c.zip | |
Merge 4.20-rc5 into staging-next
We need the staging fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/kernel/ftrace.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c index 96dd9f7da250..1b04270e5460 100644 --- a/arch/sh/kernel/ftrace.c +++ b/arch/sh/kernel/ftrace.c @@ -321,8 +321,7 @@ int ftrace_disable_ftrace_graph_caller(void) void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) { unsigned long old; - int faulted, err; - struct ftrace_graph_ent trace; + int faulted; unsigned long return_hooker = (unsigned long)&return_to_handler; if (unlikely(ftrace_graph_is_dead())) @@ -365,18 +364,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) return; } - err = ftrace_push_return_trace(old, self_addr, &trace.depth, 0, NULL); - if (err == -EBUSY) { + if (function_graph_enter(old, self_addr, 0, NULL)) __raw_writel(old, parent); - return; - } - - trace.func = self_addr; - - /* Only trace if the calling function expects to */ - if (!ftrace_graph_entry(&trace)) { - current->curr_ret_stack--; - __raw_writel(old, parent); - } } #endif /* CONFIG_FUNCTION_GRAPH_TRACER */ |